例如(1)：soon, in no time, in no time at all, in next to no time, in less than no time, before long, by and by, in the near future, in the immediate future

in the not too distant future, (just)around/round the corner, immediately

(2)momentarily, directly, presently, promptly, shortly, right, right away, right off, quickly, very quickly, very soon, at once, this minute,

例如(3): straightaway, straight away, straight off, without delay（毫不迟疑/马上）, without hesitation（毫不犹豫/立刻）, (at) any minute/moment, any time, in a moment/minute